Numbers

Question 1

Av- node - slowest conducting velocity?

Answer 1

0.05m/s

Question 2

Fastest conducting velocity - purkinje fibres?

Answer 2

4m/s

Question 3

Av nodal delay

Answer 3

92ms( 0.09s)

Question 4

RMP of cardiac myocyte?

Answer 4

-90mV

Question 5

Threshold for cardiac myocyte

Answer 5

-75mV

Question 6

Pace maker- RMP?

Answer 6

-55-60mV(55mV)

Question 7

Threshold for pacemaker?

Answer 7

-45mV

Question 8

Intrinsic discharge of SA node?

Answer 8

100/minutes

Question 9

Athletes maximum cardiac output-

Answer 9

6-7 times of basal

Question 10

Normal people maximum cardiac output?

Answer 10

4-5 times of basal

Question 11

Conducting time- internodal fibres?

Answer 11

0.03 s

Question 12

Conducting time- AV node?

Answer 12

0.09s

Question 13

Conducting time- Bundle of his?

Answer 13

0.03s

Question 14

Conducting time bundle branches?

Answer 14

0.15-0.16s

Question 15

Conducting time- purkinje fibres?

Answer 15

0.21-0.22s

Question 16

% of blood in windkessel vessels?

Answer 16

10

Question 17

% of blood in arterioles?

Answer 17

1%

Question 18

% of blood in capillaries?

Answer 18

4-6%

Question 19

Skeletal muscle blood flow at rest?

Answer 19

3-4ml/min/100g

Question 20

Skeletal muscle blood flow during exercise?

Answer 20

80-90ml/min/100g

Question 21

% of blood in capacitance vessels?

Answer 21

60%

Question 22

Raynolds number for turbulent flow?

Answer 22

> 3000

Question 23

Raynolds number for laminar flow?

Answer 23

<2000

Question 24

Cardiac cycle time?

Answer 24

0.8sec

Question 25

Atrial systole time?

Answer 25

0.1s

Question 26

Atrial diastole time?

Answer 26

O.7s

Question 27

Ventricular systole time?

Answer 27

0.3 s

Question 28

Ventricular diastole time?

Answer 28

0.5sec

Question 29

Diastolic atrial pressure?

Answer 29

0-3mmHg

Question 30

Systolic left atrial pressure?

Answer 30

6-8mmHg

Question 31

Systolic right atrial pressure?

Answer 31

4-6mmHg

Question 32

LV systolic pressure?

Answer 32

120mmHg

Question 33

LV diastolic pressure?

Answer 33

0-5mmHg

Question 34

RV systolic pressure?

Answer 34

25mmHg

Question 35

RV diastolic pressure?

Answer 35

0mmHg

Question 36

Pulmonary systolic pressure?

Answer 36

25mmHg

Question 37

Pulmonary diastolic pressure?

Answer 37

9mmHg

Question 38

Pulmonary MAP?

Answer 38

15mmHg

Question 39

Systemic MAP?

Answer 39

100mmHg

Question 40

End diastolic volume?

Answer 40

120ml

Question 41

End systolic volume?

Answer 41

50ml

Question 42

Cardiac index?

Answer 42

3.2L /min/m2 bsa

Question 43

If venous tone increases, psf increases to ?

Answer 43

17mmHg